Security robot



FIG. 1 is a perspective view of the security robot with security rings;

FIG. 2 is a front view of the security robot of FIG. 1;

FIG. 3 is a right side view of the security robot of FIG. 1;

FIG. 4 is a left side view of the security robot of FIG. 1; and,

FIG. 5 is a top view of the security robot of FIG. 1.

The broken lines in the drawings depict portions of the security robot that form no part of the claimed design. 

CLAIM We claim the ornamental design for a security robot, as shown and described. 